Pith Number

pith:2SPXFRIA

pith:2026:2SPXFRIAWYD4QND3VKQBXDDUU3

not attested not anchored not stored refs pending

Peculiar Behavior of Optical Polarization in Blazar 1ES 1959+650: Role of Jet Magnetic Field and Geometry

A. C. Gupta, A. Singh, A. Tolamatti, K. K. Singh, K. K. Yadav

arxiv:2607.19869 v1 · 2026-07-22 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SPXFRIAWYD4QND3VKQBXDDUU3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-23T01:24:04.875044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49f72c500b607c8347baaa01b8c74a6f77048d5cc6068e7c047c2049123e6d7

Aliases

arxiv: 2607.19869 · arxiv_version: 2607.19869v1 · doi: 10.48550/arxiv.2607.19869 · pith_short_12: 2SPXFRIAWYD4 · pith_short_16: 2SPXFRIAWYD4QND3 · pith_short_8: 2SPXFRIA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2SPXFRIAWYD4QND3VKQBXDDUU3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d49f72c500b607c8347baaa01b8c74a6f77048d5cc6068e7c047c2049123e6d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b86a829d9b945dfae7a14a5d6e30a5eb5a95dbd4c24c8dbfeb383342ee77e190",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-22T07:54:57Z",
    "title_canon_sha256": "d8babb3c9ebc3ff84c59922a9e6f234bdbaf0914b64d251acd443e7116ba7fba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19869",
    "kind": "arxiv",
    "version": 1
  }
}